Beijing reported one new locally transmitted COVID-19 case between 12:01 am and 2 pm on Monday, the city's anti-COVID-19 headquarters has said.
The new case was reported in Changping District and was a family member of previously confirmed cases, said Pang Xinghuo, deputy director of Beijing's center for disease control and prevention.
Pang said the individual was placed in centralized quarantine on October 22, and no new close contacts have since been determined.
The Chinese mainland on Monday reported 54 new locally transmitted COVID-19 cases, the National Health Commission said in its daily report on Tuesday.
Of the new local cases, 27 were reported in Heilongjiang, eight in Hebei, another eight in Gansu, three in Shandong, two each in Inner Mongolia, Jiangxi and Qinghai, and one each in Beijing and Ningxia, the commission said.
Monday also saw 17 new imported cases, including four previously reported asymptomatic carriers, it said.
Two new suspected cases arriving from outside the mainland were reported in Shanghai and no new deaths from COVID-19 were reported on Monday, it added.